Katsuyu Takahashi

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Mobara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light exposure apparatus with cooling means
- Patent number 4,535,234
- Issue date Aug 13, 1985
- Hitachi, Ltd.
- Takashi Fujimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing curved discharge tubes
- Patent number 4,433,994
- Issue date Feb 28, 1984
- Hitachi, Ltd.
- Takashi Fujimura
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...